Home / 7,444.98-11,165.78-2,178.90

Finding the Fourth Proportional to 7,444.98, 11,165.78 and 2,178.90

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Solution

The fourth proportional to 7,444.98, 11,165.78 and 2,178.90 is: 3,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.98 : 11,165.78 = 2,178.90 : x
  2. Step 2: Convert to fraction form
    7,444.98/11,165.78 = 2,178.90/x
  3. Step 3: Cross multiply
    7,444.98x = 11,165.78 × 2,178.90
  4. Step 4: Simplify right side
    7,444.98x = 24,329,118.04
  5. Step 5: Solve for x
    x = 24,329,118.04/7,444.98
  6. Step 6: Final answer
    x = 3,267.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.